JPH07262225A - Information terminal system - Google Patents

Abstract

PURPOSE:To facilitate the specification of objective plant equipments and to realize a speedy and precises portable terminal operation in a portable terminal equipment used on the site in the monitoring of a plant. CONSTITUTION:The system is provided with an equipment map information storage device 106 holding position information of the constitution equipments 108 of the plant, a sensor 101 measuring the position direction of the portable terminal equipment 110 and an equipment judgement means 105 comparing the measured position direction of the terminal equipment with the content of the equipment map information storage device 106 and specifying the plant equipments 108 which is pointed by the portable terminal 110. One equipment can be specified among the multiple equipments only by pointing the portable terminal 110 to the equipment becoming an object, and the speedy and precise operation can be executed compared with a case when an equipment code is inputted to the terminal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention obtains equipment information when a maintenance person actually walks around the plant site while performing maintenance / inspection of equipment in plant monitoring.
The present invention relates to a portable information terminal system used when adjusting equipment.

[0002]

2. Description of the Related Art Conventionally, in plant monitoring, maintenance personnel actually look around each facility and check the state of the facility when necessary for periodic maintenance, response to accidents, inspections during initial startup, etc. I was carrying out inspection and adjustment work. Some of this adjustment work had to be done in cooperation with both the site and the central control room.

At this time, a maintenance staff has taken a method of checking a measuring device such as a meter attached to the equipment in order to check the state of the equipment. However, some of the equipments were not actual equipments, and sent equipment information only to a remote central operation room. Moreover, in order to handle one facility, information on another facility at a remote place may be required. For this reason, it is convenient for maintenance personnel to carry around the portable terminal device of the plant control computer in order to inquire about facility information in the plant or to set a certain value in the facility. For such terminal equipment, maintenance personnel can enter a code indicating the equipment to be inspected, etc., using input means such as a keyboard provided on the terminal equipment, or connect it to a connection terminal provided on-site equipment. According to this, the target equipment for inspection etc. was specified and the information of the equipment was viewed and set.

Further, Japanese Laid-Open Patent Publication No. 62-267697 discloses a mobile phone capable of identifying a plant constituent device by reading a bar code display attached to a plant constituent device at a site by a bar code reader provided in a portable terminal. A terminal system for use is disclosed.

[0005]

In the portable terminal for inputting the equipment code, the equipment must be remembered by associating the equipment with the name and the equipment code, and it is not possible to correspond to all of a huge number of plant equipment. Only limited equipment is available.

[0006] In addition, in the portable terminal adopting the method of connecting to the connection terminals of the above equipment, it is possible to simply set the connected equipment, obtain information about all the necessary equipment, and perform setting work for all the necessary equipment. Is very cumbersome and difficult to perform.

Further, in the portable terminal for reading the bar code display of the equipment to identify the equipment, the workability is not good because the distance sufficient for reading the bar code at the terminal is extremely limited. However, it has the drawback of lacking certainty. In some cases, it may not be possible to perform work on equipment installed at a location away from a workable location.

In plant equipment, it is often the case that the information of various equipment installed in a huge house is viewed and compared at the same time, and adjustment is made by referring to the state of other equipment. In a system using a terminal, facilities for viewing and setting information are limited, and work speed and certainty cannot be sufficiently obtained.

Further, in these conventional systems, there is no function of instructing another facility to record the state of the instructed facility, or collectively transmitting what has been instructed to another object. It couldn't be realized.

An object of the present invention is to eliminate such uncertainties and troubles in work, and allow maintenance personnel to naturally select the desired equipment, display information, or operate it in any combination. It is to provide a portable information terminal system.

[0011]

In order to achieve the above object, the present invention provides an information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer. Equipment map information holding means for holding position information of each constituent equipment, terminal position / direction measuring means for measuring the position and pointing direction of the portable terminal, and terminal based on the position or pointing direction of the portable terminal Is equipped with equipment map collating means for deciding the specific equipment to be dealt with.

As another means for solving the problems, means for holding facility information for holding information such as appearance, sound, temperature distribution, etc. of each facility constituting the plant, and appearance, sound for facility in the direction indicated by the portable terminal, It is characterized by further comprising: facility information obtaining means for fetching information such as temperature distribution, and facility collating means for comparing the fetched facility information with the information held in the holding means to judge a specific facility. To do.

Another feature is that the portable terminal has
Equipment identifier holding means for holding at least one or more of the determined specific equipment in the form of an identifier is provided.

[0014]

The position and pointing direction of the portable terminal are measured by the terminal position / direction measuring means for measuring the position and pointing direction of the portable terminal. Based on the measurement result and the position information of each facility held by the facility map information holding unit, the facility map matching unit determines a specific facility to be handled by the terminal.

[0015] With this, by pointing the portable terminal to the intended equipment of the plurality of equipment constituting the plant, the equipment to be operated can be specified, and the plant maintenance work can be performed quickly and accurately. Is possible.

[0016] In the other solution described above, information such as the appearance, sound, and temperature distribution of the equipment in the pointing direction of the portable terminal is captured in the portable terminal. Then, these pieces of information and the information such as the appearance, sound and temperature distribution of each piece of equipment held in the equipment information holding means are compared by the matching means of the equipment,
A specific facility is determined as a target for operation or the like.

With this, by pointing the portable terminal to the intended equipment of the plurality of equipments constituting the plant, the equipment to be operated can be specified, and the plant maintenance work can be performed quickly and accurately. Is possible.

Furthermore, since the portable terminal is provided with the equipment identifier holding means for holding at least one or more of the determined specific equipment in the form of an identifier, the equipment already pointed to another equipment can be provided. It is possible to perform an operation such as instructing to record the state of, or collectively instructing what has been instructed to another object.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the configuration of a plant monitoring portable terminal system using a position direction sensor according to an embodiment of the present invention.

110 is a portable terminal for plant monitoring, 108
Is a plant facility, 101 is a position direction sensor, 102 is a terminal control device, 109 is a facility inquiry device, 111 is a facility identifier holding device, 103 is an output device, 104 is an input device, 105 is a plant control computer, and 106 is facility map information. The storage device 107 is a network.

FIG. 2 shows how the portable terminal for plant monitoring of the position / direction sensor system is used. 1
Reference numeral 08 is a plant facility, 110 is a mobile terminal for plant monitoring, and 203 is a plant maintenance worker.

Although various types of position / direction sensors 101 can be used, an ultrasonic sensor is used in this embodiment. Then, in this embodiment, a plurality of ultrasonic wave generators are arranged in an array on the floor of the plant. This ultrasonic sensor uses a conical shape with a vertical angle of 100 degrees and a hypotenuse of 150 cm when viewed from the generator, and it is generated at intervals of 60 cm so that they fill the space as closely as possible. Arrange the parts. On the mobile terminal side, a sensor unit that receives ultrasonic waves from this generation unit is attached to the tip of the terminal. The signal of the sensor section is sent to the control device connected to the generating section through the network.

When the sensor unit faces a certain position, the control device receives ultrasonic waves from a plurality of generators. The control device calculates the relative position / direction between the generating unit and the sensor unit based on the ultrasonic wave from the generating unit closest to the sensor unit. Further, the control unit checks the absolute coordinates of the generating unit in the plant, and calculates the absolute position / direction of the sensor unit in the plant using the relative position / direction of the sensor unit calculated previously.
This value is sent to the mobile terminal through the network and is transmitted to the facility inquiry device 109 when necessary.

When the plant maintenance staff 203 needs information on a specific facility or needs to control the specific facility, the plant monitoring portable terminal 110 is used.
Is input to the target equipment 108 from the input device 104, which means selection of the equipment. This command may be the selection of a certain menu item or the pressing of a particular key. When this command is received by the terminal control device 102, the equipment is determined according to a certain algorithm, the information of the equipment can be displayed on the display device 103, and the target equipment can be controlled by the input device 104.

FIG. 3 is a flow chart showing an example of the algorithm of the operation of the position monitoring sensor type portable terminal system for plant monitoring. First, the position / direction sensor 101
Detects the location of the device and the direction in which it is facing. Using this information, the facility inquiry device 109 sends the information to the plant control computer 105 via the network 107.
Ask if there is equipment in that direction. next,
The plant control computer uses the equipment map information storage device (equipment map database) 106 to determine whether there is equipment in that direction. The determination may be performed by a computer provided separately from the plant control computer,
Alternatively, the calculation function unit in the portable terminal may be used.

FIG. 4 shows an example of an equipment map information database of a plant monitoring portable terminal of the position direction sensor system. As described above, in the equipment map information database, the spatial position size of the equipment bottom surface and the height (h) of the equipment are registered together with the equipment name and the equipment ID.

FIG. 5 is a diagram showing the principle of equipment determination of a plant monitoring portable terminal system of the position direction sensor system. 501 is the position of the plant maintenance worker 203, 502 is a straight line indicating the direction in which the position direction sensor is directed, and 503 is a rectangular parallelepiped representing the plant equipment.

From the information sent from the portable terminal for plant monitoring, it is possible to obtain the position 501 of the plant maintenance worker and the straight line 502 indicating the direction to which the position direction sensor is directed. The intersection of this and the rectangular parallelepiped 503 represented by the height of the equipment and the spatial position and size of the equipment bottom surface registered in the equipment map information storage device 106 are determined. This is repeated for the number of facilities registered in the facility map information storage device until a rectangular parallelepiped that intersects the straight line 502 is found. At this time, there are a method of stopping the search when one is found, and a method of performing all intersection determinations and selecting the equipment closest to the position 501 of the maintenance person among them. In either case, there are two results: one facility is specified or no facility is specified at all.

When the equipment is found, the equipment ID is sent back to the equipment inquiry device 109, and when the equipment is not found, an empty equipment ID is sent back. The equipment inquiry device 109
The equipment ID is passed to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses it to communicate with the plant control computer 105 or other equipment.

For example, when the plant maintenance worker 203 requests the state value of the specified equipment using the input device 104, the terminal control device 102 uses the passed equipment ID to notify the plant control computer 105 of the status value. Queries the status value of the equipment. The plant control computer obtains the state value of the plant equipment 108 through the network 107 and sends it to the terminal control device 102. The terminal control device 102 presents the information to the plant maintenance staff 203 using the output device 103. In addition, when the plant maintenance worker 203 inputs the control value in the specified equipment using the input device 104,
The terminal control device 102 uses the passed facility ID to instruct the plant control computer 105 to set a control value. The plant control computer sets the control value input to the plant equipment 108 through the network 107.

If an empty equipment ID is received, the equipment inquiry device 109 reports to the terminal control device 102 that no equipment has been found. Terminal control device
102 is a plant maintenance worker 203 through the output device 103.
Display an error message for the equipment not found. In this way, without specifying the equipment name or equipment code, simply by pointing the equipment at the terminal,
It is possible to specify the equipment that obtains information and sets control values.

Further, if the plant equipment 108 itself has a built-in computer, it is possible to directly exchange information with the plant monitoring terminal 110 without necessarily making an inquiry to the plant control computer.

When it is determined that the plant control computer is busy, the terminal control unit 102 directly inquires of the plant equipment 108 about the desired state value. The plant equipment returns the value to the terminal control device 102,
The terminal control device 102 displays it through the output device 103. The judgment of the congestion can be automatically made by the equipment or the plant control computer. The terminal control device sends the equipment ID of the equipment for which the status value is desired on the network 107. When the plant control computer can answer by itself, it answers the terminal control device 102 as before, but when it is busy, it does not answer. If the answer does not flow on the network after a certain period of time,
The plant equipment 108 senses this and responds to the terminal control device 102 by itself. The terminal control device 102 displays the received value. By doing so, it is possible to cope with a high load on the computer.

In the above example, the state value of one plant facility is viewed and the control value is set. However, in the plant, there are a plurality of facilities at one place, and the state values are summarized. It is normal to see. In the present invention, the same can be done for a plurality of equipment.

When the plant maintenance staff 203 needs information on a specific facility or needs to control a specific facility, the plant monitoring mobile terminal 110 is used.
Is input to the target equipment 108 from the input device 104, which means selection of the equipment. This command may be the selection of a certain menu item or the pressing of a particular key. When this command is received by the terminal control device 102, the equipment is determined according to the algorithm, and when the corresponding equipment is found, the equipment ID is registered in the equipment identifier holding means 111. Repeat this for all the equipment for which you want to see the status value.

When the monitoring start command is issued to the plant monitoring terminal 110 at the point when all the points are designated and specified, the terminal control device 102 causes the plant control computer 105 to store all the facility IDs stored in the facility identifier holding means 111.
Request to send the status value. The plant control computer 105 returns the plant equipment 108 designated to return via the network 107.
To the terminal control device 102, and the terminal control device displays them on the output device. Further, at this time, it is also possible to directly obtain the state value from each facility without going through the plant control computer.

Further, by using such a plant monitoring terminal, the efficiency of maintenance and inspection can be improved.
In maintenance and inspection work, there is a work of checking the meters attached to the equipment and the appearance of the equipment one by one.
When this plant control terminal is used for this work, the plant monitoring terminal 110 is used to indicate the target plant equipment while checking the plant, and a confirmation command is input through the input device 104. When this command is received by the terminal control device 102, the equipment is determined according to the algorithm, and if the corresponding equipment is found, the equipment ID is registered in the equipment identifier holding means 111. Further, using the equipment ID, an inquiry is made to the plant control computer 105 or another computer that specially manages maintenance,
Determine if this equipment is suitable for maintenance and inspection work. If the equipment is different, inform the output device by displaying the wrong check.

In this way, each item is checked while checking the equipment. Finally, the equipment ID of the equipment checked so far is transmitted to the plant control computer or another computer that specially manages maintenance and recorded. This makes it possible to confirm later that the equipment was certainly checked.

In the above embodiments, the facility determination algorithm uses intersection determination between a straight line and a rectangular parallelepiped, but other methods are also possible. For example, the distance between the facility and the plant maintenance personnel may be calculated and the closest facility may be selected. By doing so, the facility can be specified easily and quickly without making a complicated and time-consuming intersection determination.

In the above-described embodiments, the plant control computer has the facility information database, but the facility information database may be provided on the terminal side. However, in such an implementation, as many databases as there are terminals are scattered, and maintenance of the equipment becomes difficult when the equipment is changed. Therefore, when such an implementation method is adopted, by automatically maintaining the database of each terminal, for example, by providing a mechanism for sending a database update command to all terminals at a certain timing by a broadcast mechanism, Maintenance labor can be saved.

Further, in the embodiment, the mode in which the terminal is always connected to the network is described, but a mode in which the terminal is carried around is also possible. This is to install outlets that connect to networks around the plant,
The plant maintenance staff inserts the portable terminal 110 for plant monitoring, which he carries around when necessary, into an outlet near it, and then similarly points the terminal to the equipment to pull out equipment information or set control values in the equipment. It becomes possible to act.

FIG. 12 is a diagram showing the configuration of a portable terminal for plant monitoring using two types of position and direction sensors, which is an embodiment of the present invention. Reference numeral 1201 denotes a short-distance position and direction sensor, and 1202 denotes a long-distance position and direction sensor.

The sensor for measuring the position and direction has advantages and disadvantages, and a sensor that can accurately measure the position and direction simultaneously in a wide area such as a plant is expensive.
Therefore, a method of using two or more types of sensors, first roughly grasping the position with one sensor, and then measuring the fine position and direction with the other sensor, is conceivable. The method will be described below.

When the plant maintenance staff 203 needs information on a specific facility or needs to control a specific facility, the plant monitoring portable terminal 110
A command indicating selection of the facility is input from the input device 104 to the target facility 108. When this command is received by the terminal control device 102, the equipment can be determined according to an algorithm, the information of the equipment can be displayed on the output device 103, and the target equipment can be controlled by the input device 104.

The equipment inquiry means 109 obtains position / direction information from the short-range position / direction sensor 1201. This information is, for example, information on the relative direction and position in the room or building. This short-range position and direction sensor can use the ultrasonic sensor as already shown. On the other hand, the long-distance position direction sensor 1202 can detect a rough spatial position of the mobile terminal 110 for plant monitoring. This corresponds to determining the position for each area such as one building or room in the plant. This long distance position direction sensor is realized by using, for example, an active badge developed by Olivetti. This active badge is equipped with a transmitter at a specific point so that it can be detected when the badge approaches that point. By providing points around the plant and attaching a badge-like item to the mobile terminal, it is possible to obtain rough location information such as in which area of the plant the terminal is located. This allows the near field sensor to have only the ability to detect the relative position / direction in the area rather than the absolute position / direction in the plant.

The equipment inquiring means 109 also inquires of the long-distance position / direction sensor 1202 about the position / direction information,
Together with the former result of the short-range position / direction sensor 1201, the portable terminal 11 for plant monitoring in the entire plant
Get the position orientation of 0.

Using this information, the facility inquiry device 1
09 inquires through the network 107 to the plant control computer 105 whether or not there is equipment in that direction. The plant control computer 105 uses the equipment map information storage device (equipment map database) 106 to determine whether there is equipment in that direction. The determination method is the same intersection determination as when only one position / direction sensor is used.
When the equipment is found, the equipment ID is sent back to the equipment inquiry device 109, and when the equipment is not found, an empty equipment ID is sent back to the equipment inquiry device 109. The equipment inquiry device 109 is the equipment ID
Is passed to the terminal control device 102. Equipment inquiry device 10
9 passes the equipment ID to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses the inquiry to communicate with the plant control computer 105 or other equipment.

As described above, by using the two types of position / direction sensors for long distance and short distance, it is possible to realize a predetermined function at low cost without using a high-performance and high-priced position / direction sensor. it can.

FIG. 6 shows an embodiment in which a wireless LAN is used in a position monitoring sensor type mobile terminal system for plant monitoring.

Reference numerals 601 and 602 denote wireless LAN devices, and the others are denoted by the same reference numerals as those in FIG. The basic function of each part of this embodiment is similar to that of the embodiment shown in FIG. 1, but different parts will be described in detail.

First, the position / direction sensor 101 senses the location of the terminal and the direction of the terminal. Using this information, the equipment inquiry device 109 is the plant control computer 1
Inquire about equipment to 05. At this time, the wireless LAN device 6
For 01, a packet for inquiring of the plant control computer 105 is generated. This takes the form of, for example, the destination of the packet, the source of the packet, the content of the inquiry, the parameters of the inquiry. In this case, "plant control computer" (packet destination), "terminal 1" (packet source), "is equipment present?"
(Content of inquiry), "(x1, y1, z1)-(x2,
y2, z2) "(the former is the spatial position of the plant maintenance worker, the latter is the direction in which the terminal is directed).

The wireless LAN device 601 transmits the transmitted packet to the wireless LAN device 602 of the receiver connected to the network 107 through light or radio waves. Upon receiving the packet, the wireless LAN device 602 looks at the destination in the packet and sends the packet to the plant control computer 105 through the network 107.

Upon receiving the packet, the plant control computer looks at the contents of the inquiry and its parameters and uses the equipment map information storage device (equipment map database) 106 to determine whether there is equipment in that direction. The determination algorithm is the same as that described in FIG.

When the equipment is found, the equipment is returned as a reply packet. This takes the form of, for example, the destination of the packet, the content of the reply, and the reply parameter. In this case, the packet is "terminal 1" (packet destination and inquiry packet sender), "equipment exists" (reply content), and "S5P001" (equipment ID). If the equipment is not found, a reply packet not found is returned. This takes the form of, for example, the destination of the packet and the content of the reply. In this case, "terminal 1" (packet destination, inquiry packet source),
It becomes a packet such as "There is no equipment" (contents of reply).

This packet is sent to the wireless LAN device 602 via the route opposite to that of the inquiry packet and is sent to the wireless LAN device 602.
It is delivered to the AN device 601. Equipment inquiry device 109
When receiving the packet that the equipment is found, the equipment extracts the equipment ID from the packet and passes it to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses the inquiry to communicate with the plant control computer 105 or other equipment.

If a packet indicating that the facility cannot be found is received, the facility inquiry device 109
Reports to the terminal control device 102 that no equipment was found. The terminal control device 102, through the output device 103,
An error message indicating that the equipment cannot be found is displayed to the plant maintenance personnel 203.

In this way, even when wireless is used, the equipment for which information is to be obtained or the control value is set can be specified only by pointing the equipment at the terminal without specifying the equipment name or equipment code. be able to.

The terminal can also be used as an effective alarm device. This will be described with reference to FIG.

When the plant ID is inquired from the portable terminal for plant monitoring, the plant control computer 105 stores the name of the terminal and the facility ID of the inquiry result as a set in the terminal table.

After obtaining the equipment ID, the plant maintenance worker 20
3 obtains information on the plant equipment 108 and sets a control value, but on the other hand, keeps an eye on the output device 103 of the terminal such as performing other work, or the portable terminal 11 for plant monitoring.
Sometimes it goes away from zero. In such a case, if a serious accident occurs in the plant, the plant control computer 105 searches for the equipment ID of the equipment in the area that is dangerous due to the accident or the equipment IDs that are closely related. This may be realized by previously storing the target equipment ID for each accident, or by inspecting the plant equipment 108 one by one after the accident occurs and selecting a dangerous one.

If the equipment ID thus obtained is
If it is included in the initially created terminal table, the plant control computer 105 sends an emergency alarm to the plant monitoring mobile terminal.

Upon receiving the emergency alarm, the plant monitoring portable terminal 110 uses the output device 103 to inform the plant maintenance staff 203 of the danger by changing the sound or the screen. In some cases, it is possible to equip the portable terminal 110 for plant monitoring with a spotlight device whose direction can be controlled from the outside so as to illuminate the designated facility to alert the plant maintenance personnel. Furthermore, for the alarm, devices such as a speaker and a lamp may be installed on the plant side, and an emergency alarm may be issued to the maintenance personnel by these devices.

FIG. 7 is a diagram showing the configuration of a plant monitoring mobile terminal system using an image processing apparatus according to an embodiment of the present invention.

Reference numeral 701 is a camera, 702 is an image processing apparatus,
Reference numeral 703 is a facility appearance information storage device, 102 is a terminal control device, 103 is an output device, 104 is an input device, 105 is a plant control computer, 107 is a network, 109 is a facility inquiry device, 110 is a mobile terminal for plant monitoring,
Reference numeral 111 is an equipment identifier holding device.

The image processing apparatus 702 uses the camera 701 to extract the feature of the image of the equipment to which the plant monitoring portable terminal 110 is directed. The information is transmitted to the facility inquiry device 109 when necessary. The plant maintenance worker 203
When the information of a certain specific equipment is required, or when it becomes necessary to control the specific equipment, the portable terminal 110 for plant monitoring is directed to the target equipment 108, and the input device 104 outputs the information of the equipment. Enter the command that means select. This command may be the selection of a certain menu item or the pressing of a particular key.

When this command is received by the terminal control device 102, the equipment is determined according to a certain algorithm, the information of the equipment is displayed on the output device 103, and the input device 1
The target equipment can be controlled from 04. The details will be described below.

First, the image processing apparatus 702 takes out the features of the appearance of the plant equipment in the direction in which the camera 701 attached to the terminal is directed. Using this information, the equipment inquiry device 109 inquires of the plant control computer 105 via the network 107 whether the equipment is registered.

The plant control computer uses the equipment appearance information storage device 703 to determine whether or not the equipment is registered.

FIG. 8 is a diagram showing an example of data contents of the equipment appearance information storage device 703. Reference numeral 801 is a database main body, and 802 is equipment image data. As described above, the equipment name and the equipment I are stored in the equipment appearance information storage device 703.
Along with D, the image information 802 of the appearance of the equipment is registered. The image information sent from the portable terminal for plant monitoring and the image information 802 in this equipment appearance information storage device are compared until the same is found. Of course, the image may be distorted or enlarged / reduced depending on the distance and direction between the mobile terminal 110 for plant monitoring and the plant equipment. Therefore, rather than simply comparing the images to find a match, the shape, color, etc. Make a comparison so that the rough patterns of

At this time, there is a method in which the search is stopped when one is found, and a method in which all the comparison judgments are made and the equipment having the closest degree of comparison among them is selected.

When the equipment is found, the equipment ID is sent back to the equipment inquiry device 109, and when the equipment is not found, an empty equipment ID is sent back to the equipment inquiry device 109. The equipment inquiry device 109
The equipment ID is passed to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses the inquiry to communicate with the plant control computer 105 or other equipment.

Further, with the configuration of this embodiment, the camera 70
If an infrared camera is used as 1, the temperature distribution of plant equipment can be obtained. The equipment can also be specified by utilizing the difference in the temperature distribution of each plant equipment.
In this method, the temperature distribution pattern of each piece of equipment is registered in the equipment appearance information storage device 703 instead of the equipment image data 802.

First, in the image processing apparatus 702, the portable terminal 11
The temperature pattern of the plant equipment installed in the direction in which the camera 701 attached to 0 is directed is taken out. Using this information, the equipment inquiring device 109 uses the network 10
Inquiry is made to the plant control computer 105 through 7 whether or not the equipment is registered.

Since the pattern of the temperature distribution of each facility is registered in the facility appearance information storage device 703 instead of the facility image data 802, the pattern matching pattern is searched out.

At this time, there is a method in which the search is stopped when one is found, and a method in which all the comparison judgments are made and the equipment having the closest degree of comparison among them is selected. In either case, there are two results: one facility is specified or no facility is specified at all.

If the equipment is found, the equipment ID is sent back to the equipment inquiry device 109, and if not found, an empty equipment ID is sent back to the equipment inquiry device 109. The equipment inquiry device 109
The equipment ID is passed to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses the inquiry to communicate with the plant control computer 105 or other equipment.

FIG. 9 is a diagram showing the configuration of a plant monitoring mobile terminal system using a voice analysis apparatus according to an embodiment of the present invention.

Reference numeral 901 is a microphone, 902 is a voice analysis device, 903 is an equipment acoustic information storage device, 102 is a terminal control device, 103 is an output device, 104 is an input device, 10
5 is a plant control computer, 107 is a network, 10
Reference numeral 9 is an equipment inquiry device, 110 is a portable terminal for plant monitoring, and 111 is an equipment identifier holding device.

The voice analysis device 902 extracts the characteristics of the sound generated by the plant equipment in the direction in which the microphone 901 attached to the portable terminal 110 is directed. This information is used by the facility inquiry device 109 for the network 1
Through 07, the plant control computer 105 is inquired whether or not the equipment is registered.

The plant control computer uses the equipment acoustic information storage device 903 to determine whether or not the equipment is registered.

In the equipment acoustic information storage device 903, the equipment name and the equipment ID as well as the characteristic information of the sound generated by the equipment are registered. Characteristic information of the sound sent from the plant monitoring mobile terminal 110 and the equipment acoustic information storage device 9
Comparison is made until the same one is found with the sound feature information in 03.

At this time, there is a method in which the search is stopped when one is found, and a method in which all the comparison judgments are made and the equipment having the closest sound feature among them is selected.

If the equipment is found, the equipment ID is sent back to the equipment inquiry device 109, and if not found, an empty equipment ID is sent back to the equipment inquiry device 109. The equipment inquiry device 109
The equipment ID is passed to the equipment identifier holding means 111. The terminal control device 102 inquires the equipment identifier holding means 111 for the equipment ID when necessary thereafter, and uses the inquiry to communicate with the plant control computer 105 or other equipment.

Further, when there is no distinguishable feature in the sounds generated by the equipment, there is also a method in which equipment for generating characteristic sounds is attached to the plant equipment in advance.
As a result, even plant equipment that normally does not generate sound can be identified by sound.

FIG. 10 is a diagram showing the configuration of a portable terminal system having an ID transmitting device with a proximity sensor attached to equipment, which is an embodiment of the present invention.

1001 is an equipment ID receiving device, 1002 is an ID receiving antenna, 1003 is an ID transmitting antenna, 10
04 is a proximity sensor, 1005 is an equipment ID transmission device, 10
Reference numeral 06 is an ID reception type mobile terminal, 102 is a terminal control device, 1
Reference numeral 03 is an output device, 104 is an input device, 105 is a plant control computer, 107 is a network, 109 is a facility inquiry device, and 111 is a facility identifier holding device.

FIG. 11 shows how the plant monitoring portable terminal using the terminal proximity sensor is used.
108 is plant equipment, 1002 is an ID receiving antenna,
1003 is an ID transmission antenna, 1004 is a proximity sensor, 10
Reference numeral 05 is an equipment ID transmission device, 1006 is an ID reception type portable terminal, and 203 is a plant maintenance worker.

When the plant maintenance staff 203 approaches the plant equipment 108 with the ID reception type portable terminal 1006, the proximity sensor 1004 attached to the equipment side detects it. As a sensing method, for example, a method of sensing human infrared rays can be used. In addition to this, we have prepared one that captures changes in electrostatic capacity, one that captures changes in magnetism, and a plate with a pressure sensor in front of the equipment. You can also choose how to do it.

When the proximity sensor 1004 senses an approach,
The equipment ID transmitting device 1005 is the ID transmitting antenna 1003.
To start sending the equipment ID for that equipment. Such an equipment ID transmission device 1005, an ID transmission antenna 100
3, the proximity sensor 1004 is attached to each plant facility 108, and when the plant maintenance worker 203 approaches the plant facility 108, the proximity sensor 1004 senses it and senses the facility ID of the facility.
Will be sent.

When the plant maintenance staff 203 needs information on a certain specific facility or needs to control a certain specific facility, the plant monitoring portable terminal 11
When 0 is approached to the target equipment 108, a command which means selection of the equipment is input from the input device 104. When the terminal control device 102 receives this command, it inquires the facility inquiring device 109 about the facility ID. The facility ID transmitted from the ID transmitting antenna 1003 by the facility ID receiving apparatus 1001 using the ID receiving antenna 1002
Is received, the equipment inquiry device 1
09 will receive. The equipment inquiry device 109 passes the equipment ID to the equipment identifier holding means 111. The terminal control device 102 uses the equipment identifier holding means 11 when necessary thereafter.
1 is inquired about the equipment ID, and the equipment ID is used to communicate with the plant control computer 105 or other equipment. In this way, plant equipment can be specified, information about the equipment can be obtained, and control values can be set without having a database of special equipment information.

[0091]

According to the present invention, the maintenance staff can specify the target equipment by pointing the target equipment at the terminal in order to obtain the equipment information.
The required equipment information can be reliably retrieved in a short time. This is particularly effective when quick and accurate work is required, such as response to a plant accident.

Moreover, since the portable terminal can quickly identify the equipment even if the equipment is located at a distant position without performing the operation of reading the bar code, etc., it can be seen only with a limited combination of equipment information. The information can be viewed in any combination, and the degree of freedom in monitoring work is increased.

[Brief description of drawings]

FIG. 1 is a diagram showing the configuration of a plant monitoring mobile terminal system using a position / direction sensor that is an embodiment of the present invention.

FIG. 2 is a diagram showing how a portable terminal for plant monitoring is used.

FIG. 3 is a diagram showing a flowchart showing an operation of the plant monitoring portable terminal system using the position / direction sensor according to the embodiment of the present invention.

FIG. 4 is a diagram showing an example of data contents of an equipment map information storage device of a plant monitoring mobile terminal system according to an embodiment of the present invention.

FIG. 5 is a diagram showing a principle of equipment determination of a plant monitoring mobile terminal system according to an embodiment of the present invention.

FIG. 6 is a diagram showing a configuration of a mobile terminal system for plant monitoring using a position and direction sensor which is an embodiment of the present invention, and is a diagram showing an example using a wireless LAN.

FIG. 7 is a diagram showing a configuration of a plant monitoring mobile terminal system using an image processing apparatus according to an embodiment of the present invention.

FIG. 8 is a diagram showing an example of data contents of an equipment appearance information storage device of a plant monitoring mobile terminal system according to an embodiment of the present invention.

FIG. 9 is a diagram showing a configuration of a plant monitoring mobile terminal system using a voice analysis device according to an embodiment of the present invention.

FIG. 10 is a diagram showing a configuration of a plant monitoring mobile terminal system having an ID transmission device with an approach sensor according to an embodiment of the present invention.

FIG. 11 is a diagram showing how the plant monitoring mobile terminal is used.

FIG. 12 is a diagram showing a configuration of a plant monitoring mobile terminal system using two types of position / direction sensors according to an embodiment of the present invention.

[Explanation of symbols]

101 ... Position direction sensor, 102 ... Terminal control device, 10
3 ... Output device, 104 ... Input device, 105 ... Plant control computer, 106 ... Equipment map information storage device, 107 ... Network, 108 ... Plant equipment, 109 ... Equipment inquiry device, 110 ... Plant monitoring mobile terminal, 111
... Equipment identifier holding device, 601, 602 ... Wireless LAN device, 701 ... Camera, 702 ... Image processing device, 703 ...
Equipment appearance information recording device, 901 ... Microphone, 90
2 ... Voice analysis device, 903 ... Equipment acoustic information recording device, 1
001 ... Equipment ID receiving device, 1002 ... ID receiving antenna, 1003 ... ID transmitting antenna, 1004 ... Proximity sensor, 1005 ... Equipment ID transmitting device, 1006 ... ID receiving type portable terminal, 1201 ... Short distance position direction sensor, 120
2 ... Long-distance position direction sensor.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Uchiga ▲ Saki ▼ Harumi 7-1, Omika-cho, Hitachi-shi, Ibaraki Hitachi Ltd. Hitachi Research Laboratory (72) Inventor Masayasu Futagawa Mika Oita, Ibaraki Prefecture 7-1-1, Machi, Hitachi, Ltd. Hitachi Research Laboratory (72) Inventor Masato Hotta 7-1, 1-1, Omika-cho, Hitachi, Hitachi, Ibaraki Hitachi, Ltd. Hitachi Research Laboratory (72) Inventor, Soshiro Katsuruki 7-1, 1-1 Omika-cho, Hitachi-shi, Ibaraki Hitachi Co., Ltd. Hitachi Research Laboratory (72) Inventor Atsuhiko Nishikawa 5-2-1 Omika-cho, Hitachi-shi, Ibaraki Hitachi Ltd. Omika Plant (72) Inventor Takeichi Maruyama 52-1 Omika-cho, Hitachi-shi, Ibaraki Prefecture Hitachi Ltd. Omika factory

Claims (11)

[Claims] 1. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, wherein a plurality of equipments constituting a plant are in a direction of the portable terminal. An information terminal system comprising equipment determining means for determining specific equipment. 2. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, and equipment map information holding means for holding position information of each equipment constituting the plant. A terminal position / direction measuring means for measuring a position and a pointing direction of the portable terminal, and an equipment map collating means for determining a specific facility handled by the terminal based on the position or the pointing direction of the portable terminal. Information terminal system characterized by. 3. The information terminal system according to claim 2, wherein the portable terminal comprises equipment identifier holding means for holding at least one or more of the determined specific equipment in the form of an identifier. Information terminal system. 4. The information terminal system according to claim 2, wherein the facility map collating means determines the facility closest to the portable terminal as a specific facility handled by the portable terminal. system. 5. The information terminal system according to claim 2, wherein the facility map matching means determines the closest facility existing in the pointing direction of the portable terminal as a specific facility handled by the portable terminal. Information terminal system characterized by. 6. The information terminal system according to claim 2, wherein the terminal position / direction measuring means for measuring the position and pointing direction of the portable terminal is a sensor for measuring the position or direction, and is used for at least short distance and long distance. An information terminal system characterized by using two or more types. 7. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, and equipment appearance information holding means for holding appearance information of each equipment constituting the plant. , Equipment image acquisition means for capturing an image of the whole or a part of the equipment in the pointing direction of the portable terminal, and the equipment image acquisition means for comparing the information stored in the equipment appearance information storage means with a specific equipment An information terminal system having a facility appearance collating means for making a decision. 8. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, wherein facility acoustic information that retains acoustic features generated by each facility constituting the plant. Holding means, equipment sound acquisition means for acquiring the sound generated by the equipment in the pointing direction of the portable terminal, and comparing the sound of the equipment taken in with the information held in the equipment sound information holding means, specify And an equipment acoustic matching means for determining the equipment. 9. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, wherein an equipment temperature that retains the characteristic of temperature distribution generated by each equipment constituting the plant. Distribution information holding means, equipment temperature distribution obtaining means for obtaining temperature distribution generated by equipment in the pointing direction of the portable terminal, and temperature distribution of the taken-in equipment held in the equipment temperature distribution information holding means An information terminal system, comprising: facility temperature distribution collating means for comparing with information and determining a specific facility. 10. An information terminal system comprising a plant control computer and a portable terminal for inputting / outputting information to / from the plant control computer, wherein the portable terminal detects that the portable terminal approaches a facility constituting a plant. Proximity sensing means and equipment identifier transmitting means for transmitting the identifier of the equipment to the portable terminal when approaching, the portable terminal, equipment identifier receiving means for receiving the transmitted identifier of the equipment An information terminal system having. 11. A portable terminal device for inputting / outputting information to / from a plant control computer, facility map information holding means for holding position information of each facility constituting a plant, and detection for detecting the position of the portable terminal device. A portable terminal device comprising: